Finding the Fourth Proportional to 61,969.86, 85,521.42 and 35,113.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,969.86 : 85,521.42 = 35,113.50 : x
2. Step 2: Convert to fraction form
   61,969.86/85,521.42 = 35,113.50/x
3. Step 3: Cross multiply
   61,969.86x = 85,521.42 × 35,113.50
4. Step 4: Simplify right side
   61,969.86x = 3,002,956,381.17
5. Step 5: Solve for x
   x = 3,002,956,381.17/61,969.86
6. Step 6: Final answer
   x = 48,458.34