Finding the Fourth Proportional to 113,810.31, 157,049.82 and 66,055.95

Step by Step Solution

1. Step 1: Write the proportion equation
   113,810.31 : 157,049.82 = 66,055.95 : x
2. Step 2: Convert to fraction form
   113,810.31/157,049.82 = 66,055.95/x
3. Step 3: Cross multiply
   113,810.31x = 157,049.82 × 66,055.95
4. Step 4: Simplify right side
   113,810.31x = 10,374,075,057.43
5. Step 5: Solve for x
   x = 10,374,075,057.43/113,810.31
6. Step 6: Final answer
   x = 91,152.33