Finding the Fourth Proportional to 66,061.89, 91,165.47 and 37,768.17

Step by Step Solution

1. Step 1: Write the proportion equation
   66,061.89 : 91,165.47 = 37,768.17 : x
2. Step 2: Convert to fraction form
   66,061.89/91,165.47 = 37,768.17/x
3. Step 3: Cross multiply
   66,061.89x = 91,165.47 × 37,768.17
4. Step 4: Simplify right side
   66,061.89x = 3,443,152,969.09
5. Step 5: Solve for x
   x = 3,443,152,969.09/66,061.89
6. Step 6: Final answer
   x = 52,120.11