Finding the Fourth Proportional to 77,772.69, 116,677.55 and 25,182.15

Step by Step Solution

1. Step 1: Write the proportion equation
   77,772.69 : 116,677.55 = 25,182.15 : x
2. Step 2: Convert to fraction form
   77,772.69/116,677.55 = 25,182.15/x
3. Step 3: Cross multiply
   77,772.69x = 116,677.55 × 25,182.15
4. Step 4: Simplify right side
   77,772.69x = 2,938,191,439.82
5. Step 5: Solve for x
   x = 2,938,191,439.82/77,772.69
6. Step 6: Final answer
   x = 37,779.22