Finding the Fourth Proportional to 83,385.93, 115,071.73 and 45,144.45

Step by Step Solution

1. Step 1: Write the proportion equation
   83,385.93 : 115,071.73 = 45,144.45 : x
2. Step 2: Convert to fraction form
   83,385.93/115,071.73 = 45,144.45/x
3. Step 3: Cross multiply
   83,385.93x = 115,071.73 × 45,144.45
4. Step 4: Simplify right side
   83,385.93x = 5,194,849,961.40
5. Step 5: Solve for x
   x = 5,194,849,961.40/83,385.93
6. Step 6: Final answer
   x = 62,298.88