Finding the Fourth Proportional to 99,578.88, 149,017.32 and 62,156.52

Step by Step Solution

1. Step 1: Write the proportion equation
   99,578.88 : 149,017.32 = 62,156.52 : x
2. Step 2: Convert to fraction form
   99,578.88/149,017.32 = 62,156.52/x
3. Step 3: Cross multiply
   99,578.88x = 149,017.32 × 62,156.52
4. Step 4: Simplify right side
   99,578.88x = 9,262,398,030.93
5. Step 5: Solve for x
   x = 9,262,398,030.93/99,578.88
6. Step 6: Final answer
   x = 93,015.69