Finding the Fourth Proportional to 64,172.10, 88,553 and 37,312.71

Step by Step Solution

1. Step 1: Write the proportion equation
   64,172.10 : 88,553 = 37,312.71 : x
2. Step 2: Convert to fraction form
   64,172.10/88,553 = 37,312.71/x
3. Step 3: Cross multiply
   64,172.10x = 88,553 × 37,312.71
4. Step 4: Simplify right side
   64,172.10x = 3,304,152,408.63
5. Step 5: Solve for x
   x = 3,304,152,408.63/64,172.10
6. Step 6: Final answer
   x = 51,488.92