Finding the Fourth Proportional to 83,875.61, 115,749.72 and 45,635.91

Step by Step Solution

1. Step 1: Write the proportion equation
   83,875.61 : 115,749.72 = 45,635.91 : x
2. Step 2: Convert to fraction form
   83,875.61/115,749.72 = 45,635.91/x
3. Step 3: Cross multiply
   83,875.61x = 115,749.72 × 45,635.91
4. Step 4: Simplify right side
   83,875.61x = 5,282,343,804.45
5. Step 5: Solve for x
   x = 5,282,343,804.45/83,875.61
6. Step 6: Final answer
   x = 62,978.31