Finding the Fourth Proportional to 83,385.98, 115,073.57 and 45,146.36

Step by Step Solution

1. Step 1: Write the proportion equation
   83,385.98 : 115,073.57 = 45,146.36 : x
2. Step 2: Convert to fraction form
   83,385.98/115,073.57 = 45,146.36/x
3. Step 3: Cross multiply
   83,385.98x = 115,073.57 × 45,146.36
4. Step 4: Simplify right side
   83,385.98x = 5,195,152,817.71
5. Step 5: Solve for x
   x = 5,195,152,817.71/83,385.98
6. Step 6: Final answer
   x = 62,302.47