Finding the Fourth Proportional to 90,761.88, 136,142.80 and 37,453.08

Step by Step Solution

1. Step 1: Write the proportion equation
   90,761.88 : 136,142.80 = 37,453.08 : x
2. Step 2: Convert to fraction form
   90,761.88/136,142.80 = 37,453.08/x
3. Step 3: Cross multiply
   90,761.88x = 136,142.80 × 37,453.08
4. Step 4: Simplify right side
   90,761.88x = 5,098,967,179.82
5. Step 5: Solve for x
   x = 5,098,967,179.82/90,761.88
6. Step 6: Final answer
   x = 56,179.61