Finding the Fourth Proportional to 65,763.35, 90,762.31 and 37,088.91

Step by Step Solution

1. Step 1: Write the proportion equation
   65,763.35 : 90,762.31 = 37,088.91 : x
2. Step 2: Convert to fraction form
   65,763.35/90,762.31 = 37,088.91/x
3. Step 3: Cross multiply
   65,763.35x = 90,762.31 × 37,088.91
4. Step 4: Simplify right side
   65,763.35x = 3,366,274,693.17
5. Step 5: Solve for x
   x = 3,366,274,693.17/65,763.35
6. Step 6: Final answer
   x = 51,187.70