Finding the Fourth Proportional to 2,108,078,223.08, 2,905,516,788.64 and 1,401,968,509.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,078,223.08 : 2,905,516,788.64 = 1,401,968,509.61 : x
2. Step 2: Convert to fraction form
   2,108,078,223.08/2,905,516,788.64 = 1,401,968,509.61/x
3. Step 3: Cross multiply
   2,108,078,223.08x = 2,905,516,788.64 × 1,401,968,509.61
4. Step 4: Simplify right side
   2,108,078,223.08x = 4,073,443,041,798,421,504
5. Step 5: Solve for x
   x = 4,073,443,041,798,421,504/2,108,078,223.08
6. Step 6: Final answer
   x = 1,932,301,656.18