Finding the Fourth Proportional to 138,156,429.33, 190,672,592.76 and 78,632,198.82

Step by Step Solution

1. Step 1: Write the proportion equation
   138,156,429.33 : 190,672,592.76 = 78,632,198.82 : x
2. Step 2: Convert to fraction form
   138,156,429.33/190,672,592.76 = 78,632,198.82/x
3. Step 3: Cross multiply
   138,156,429.33x = 190,672,592.76 × 78,632,198.82
4. Step 4: Simplify right side
   138,156,429.33x = 14,993,005,223,429,210
5. Step 5: Solve for x
   x = 14,993,005,223,429,210/138,156,429.33
6. Step 6: Final answer
   x = 108,521,950.78