Finding the Fourth Proportional to 61,014.10, 91,501.71 and 31,428.04

Step by Step Solution

1. Step 1: Write the proportion equation
   61,014.10 : 91,501.71 = 31,428.04 : x
2. Step 2: Convert to fraction form
   61,014.10/91,501.71 = 31,428.04/x
3. Step 3: Cross multiply
   61,014.10x = 91,501.71 × 31,428.04
4. Step 4: Simplify right side
   61,014.10x = 2,875,719,401.95
5. Step 5: Solve for x
   x = 2,875,719,401.95/61,014.10
6. Step 6: Final answer
   x = 47,132.05