Finding the Fourth Proportional to 65,312.02, 90,130.61 and 37,017.91

Step by Step Solution

1. Step 1: Write the proportion equation
   65,312.02 : 90,130.61 = 37,017.91 : x
2. Step 2: Convert to fraction form
   65,312.02/90,130.61 = 37,017.91/x
3. Step 3: Cross multiply
   65,312.02x = 90,130.61 × 37,017.91
4. Step 4: Simplify right side
   65,312.02x = 3,336,446,173.48
5. Step 5: Solve for x
   x = 3,336,446,173.48/65,312.02
6. Step 6: Final answer
   x = 51,084.72