Finding the Fourth Proportional to 83,093,948.72, 124,640,755.56 and 78,037,430.48

Step by Step Solution

1. Step 1: Write the proportion equation
   83,093,948.72 : 124,640,755.56 = 78,037,430.48 : x
2. Step 2: Convert to fraction form
   83,093,948.72/124,640,755.56 = 78,037,430.48/x
3. Step 3: Cross multiply
   83,093,948.72x = 124,640,755.56 × 78,037,430.48
4. Step 4: Simplify right side
   83,093,948.72x = 9,726,644,296,988,174
5. Step 5: Solve for x
   x = 9,726,644,296,988,174/83,093,948.72
6. Step 6: Final answer
   x = 117,055,988.39