Finding the Fourth Proportional to 61,988.82, 85,541.76 and 35,129.76

Step by Step Solution

1. Step 1: Write the proportion equation
   61,988.82 : 85,541.76 = 35,129.76 : x
2. Step 2: Convert to fraction form
   61,988.82/85,541.76 = 35,129.76/x
3. Step 3: Cross multiply
   61,988.82x = 85,541.76 × 35,129.76
4. Step 4: Simplify right side
   61,988.82x = 3,005,061,498.78
5. Step 5: Solve for x
   x = 3,005,061,498.78/61,988.82
6. Step 6: Final answer
   x = 48,477.48