Finding the Fourth Proportional to 83,160, 114,761.52 and 45,434.28

Step by Step Solution

1. Step 1: Write the proportion equation
   83,160 : 114,761.52 = 45,434.28 : x
2. Step 2: Convert to fraction form
   83,160/114,761.52 = 45,434.28/x
3. Step 3: Cross multiply
   83,160x = 114,761.52 × 45,434.28
4. Step 4: Simplify right side
   83,160x = 5,214,107,032.91
5. Step 5: Solve for x
   x = 5,214,107,032.91/83,160
6. Step 6: Final answer
   x = 62,699.70