Finding the Fourth Proportional to 124,143,111.88, 171,317,495.42 and 69,138,968.38

Step by Step Solution

1. Step 1: Write the proportion equation
   124,143,111.88 : 171,317,495.42 = 69,138,968.38 : x
2. Step 2: Convert to fraction form
   124,143,111.88/171,317,495.42 = 69,138,968.38/x
3. Step 3: Cross multiply
   124,143,111.88x = 171,317,495.42 × 69,138,968.38
4. Step 4: Simplify right side
   124,143,111.88x = 11,844,714,898,784,174
5. Step 5: Solve for x
   x = 11,844,714,898,784,174/124,143,111.88
6. Step 6: Final answer
   x = 95,411,776.94