Finding the Fourth Proportional to 60,779.48, 83,870 and 35,279.08

Step by Step Solution

1. Step 1: Write the proportion equation
   60,779.48 : 83,870 = 35,279.08 : x
2. Step 2: Convert to fraction form
   60,779.48/83,870 = 35,279.08/x
3. Step 3: Cross multiply
   60,779.48x = 83,870 × 35,279.08
4. Step 4: Simplify right side
   60,779.48x = 2,958,856,439.60
5. Step 5: Solve for x
   x = 2,958,856,439.60/60,779.48
6. Step 6: Final answer
   x = 48,681.83