Finding the Fourth Proportional to 42,423,599.46, 58,542,919.20 and 25,931,337.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,423,599.46 : 58,542,919.20 = 25,931,337.78 : x
2. Step 2: Convert to fraction form
   42,423,599.46/58,542,919.20 = 25,931,337.78/x
3. Step 3: Cross multiply
   42,423,599.46x = 58,542,919.20 × 25,931,337.78
4. Step 4: Simplify right side
   42,423,599.46x = 1,518,096,212,402,447.50
5. Step 5: Solve for x
   x = 1,518,096,212,402,447.50/42,423,599.46
6. Step 6: Final answer
   x = 35,784,238.77