Finding the Fourth Proportional to 25,208,833,807.52, 37,819,781,924.52 and 13,408,239,152.96

Step by Step Solution

1. Step 1: Write the proportion equation
   25,208,833,807.52 : 37,819,781,924.52 = 13,408,239,152.96 : x
2. Step 2: Convert to fraction form
   25,208,833,807.52/37,819,781,924.52 = 13,408,239,152.96/x
3. Step 3: Cross multiply
   25,208,833,807.52x = 37,819,781,924.52 × 13,408,239,152.96
4. Step 4: Simplify right side
   25,208,833,807.52x = 507,096,680,756,757,856,256
5. Step 5: Solve for x
   x = 507,096,680,756,757,856,256/25,208,833,807.52
6. Step 6: Final answer
   x = 20,115,832,593.79