Finding the Fourth Proportional to 65,577.99, 90,505.32 and 37,287.93

Step by Step Solution

1. Step 1: Write the proportion equation
   65,577.99 : 90,505.32 = 37,287.93 : x
2. Step 2: Convert to fraction form
   65,577.99/90,505.32 = 37,287.93/x
3. Step 3: Cross multiply
   65,577.99x = 90,505.32 × 37,287.93
4. Step 4: Simplify right side
   65,577.99x = 3,374,756,036.79
5. Step 5: Solve for x
   x = 3,374,756,036.79/65,577.99
6. Step 6: Final answer
   x = 51,461.72