Finding the Fourth Proportional to 90,061.12, 135,018.80 and 37,510.08

Step by Step Solution

1. Step 1: Write the proportion equation
   90,061.12 : 135,018.80 = 37,510.08 : x
2. Step 2: Convert to fraction form
   90,061.12/135,018.80 = 37,510.08/x
3. Step 3: Cross multiply
   90,061.12x = 135,018.80 × 37,510.08
4. Step 4: Simplify right side
   90,061.12x = 5,064,565,989.50
5. Step 5: Solve for x
   x = 5,064,565,989.50/90,061.12
6. Step 6: Final answer
   x = 56,234.77