Finding the Fourth Proportional to 124,687,535.10, 172,074,112.47 and 69,683,389.98

Step by Step Solution

1. Step 1: Write the proportion equation
   124,687,535.10 : 172,074,112.47 = 69,683,389.98 : x
2. Step 2: Convert to fraction form
   124,687,535.10/172,074,112.47 = 69,683,389.98/x
3. Step 3: Cross multiply
   124,687,535.10x = 172,074,112.47 × 69,683,389.98
4. Step 4: Simplify right side
   124,687,535.10x = 11,990,707,484,709,392
5. Step 5: Solve for x
   x = 11,990,707,484,709,392/124,687,535.10
6. Step 6: Final answer
   x = 96,166,047.99