Finding the Fourth Proportional to 83,374.16, 115,053.72 and 45,646.16

Step by Step Solution

1. Step 1: Write the proportion equation
   83,374.16 : 115,053.72 = 45,646.16 : x
2. Step 2: Convert to fraction form
   83,374.16/115,053.72 = 45,646.16/x
3. Step 3: Cross multiply
   83,374.16x = 115,053.72 × 45,646.16
4. Step 4: Simplify right side
   83,374.16x = 5,251,760,511.72
5. Step 5: Solve for x
   x = 5,251,760,511.72/83,374.16
6. Step 6: Final answer
   x = 62,990.27