Finding the Fourth Proportional to 83,779.32, 115,615.98 and 45,539.22

Step by Step Solution

1. Step 1: Write the proportion equation
   83,779.32 : 115,615.98 = 45,539.22 : x
2. Step 2: Convert to fraction form
   83,779.32/115,615.98 = 45,539.22/x
3. Step 3: Cross multiply
   83,779.32x = 115,615.98 × 45,539.22
4. Step 4: Simplify right side
   83,779.32x = 5,265,061,548.74
5. Step 5: Solve for x
   x = 5,265,061,548.74/83,779.32
6. Step 6: Final answer
   x = 62,844.41