Finding the Fourth Proportional to 99,386,948.90, 149,164,404.15 and 38,846,123.30

Step by Step Solution

1. Step 1: Write the proportion equation
   99,386,948.90 : 149,164,404.15 = 38,846,123.30 : x
2. Step 2: Convert to fraction form
   99,386,948.90/149,164,404.15 = 38,846,123.30/x
3. Step 3: Cross multiply
   99,386,948.90x = 149,164,404.15 × 38,846,123.30
4. Step 4: Simplify right side
   99,386,948.90x = 5,794,458,835,581,931
5. Step 5: Solve for x
   x = 5,794,458,835,581,931/99,386,948.90
6. Step 6: Final answer
   x = 58,302,009.47