Finding the Fourth Proportional to 61,288.71, 84,565.24 and 35,783.47

Step by Step Solution

1. Step 1: Write the proportion equation
   61,288.71 : 84,565.24 = 35,783.47 : x
2. Step 2: Convert to fraction form
   61,288.71/84,565.24 = 35,783.47/x
3. Step 3: Cross multiply
   61,288.71x = 84,565.24 × 35,783.47
4. Step 4: Simplify right side
   61,288.71x = 3,026,037,728.58
5. Step 5: Solve for x
   x = 3,026,037,728.58/61,288.71
6. Step 6: Final answer
   x = 49,373.49