Finding the Fourth Proportional to 329,187,019.10, 493,556,579.85 and 156,746,443.10

Step by Step Solution

1. Step 1: Write the proportion equation
   329,187,019.10 : 493,556,579.85 = 156,746,443.10 : x
2. Step 2: Convert to fraction form
   329,187,019.10/493,556,579.85 = 156,746,443.10/x
3. Step 3: Cross multiply
   329,187,019.10x = 493,556,579.85 × 156,746,443.10
4. Step 4: Simplify right side
   329,187,019.10x = 77,363,238,360,088,640
5. Step 5: Solve for x
   x = 77,363,238,360,088,640/329,187,019.10
6. Step 6: Final answer
   x = 235,013,028.68