Finding the Fourth Proportional to 105,358,389.98, 158,092,077.04 and 76,450,562.42

Step by Step Solution

1. Step 1: Write the proportion equation
   105,358,389.98 : 158,092,077.04 = 76,450,562.42 : x
2. Step 2: Convert to fraction form
   105,358,389.98/158,092,077.04 = 76,450,562.42/x
3. Step 3: Cross multiply
   105,358,389.98x = 158,092,077.04 × 76,450,562.42
4. Step 4: Simplify right side
   105,358,389.98x = 12,086,228,202,872,382
5. Step 5: Solve for x
   x = 12,086,228,202,872,382/105,358,389.98
6. Step 6: Final answer
   x = 114,715,384.37