Finding the Fourth Proportional to 83,875.80, 115,746.48 and 45,633.72

Step by Step Solution

1. Step 1: Write the proportion equation
   83,875.80 : 115,746.48 = 45,633.72 : x
2. Step 2: Convert to fraction form
   83,875.80/115,746.48 = 45,633.72/x
3. Step 3: Cross multiply
   83,875.80x = 115,746.48 × 45,633.72
4. Step 4: Simplify right side
   83,875.80x = 5,281,942,459.31
5. Step 5: Solve for x
   x = 5,281,942,459.31/83,875.80
6. Step 6: Final answer
   x = 62,973.38