Finding the Fourth Proportional to 116,659,565.85, 174,965,595.35 and 42,857,980.25

Step by Step Solution

1. Step 1: Write the proportion equation
   116,659,565.85 : 174,965,595.35 = 42,857,980.25 : x
2. Step 2: Convert to fraction form
   116,659,565.85/174,965,595.35 = 42,857,980.25/x
3. Step 3: Cross multiply
   116,659,565.85x = 174,965,595.35 × 42,857,980.25
4. Step 4: Simplify right side
   116,659,565.85x = 7,498,672,030,162,915
5. Step 5: Solve for x
   x = 7,498,672,030,162,915/116,659,565.85
6. Step 6: Final answer
   x = 64,278,243.93