Finding the Fourth Proportional to 20,711,581.76, 31,067,345.76 and 5,565,513.60

Step by Step Solution

1. Step 1: Write the proportion equation
   20,711,581.76 : 31,067,345.76 = 5,565,513.60 : x
2. Step 2: Convert to fraction form
   20,711,581.76/31,067,345.76 = 5,565,513.60/x
3. Step 3: Cross multiply
   20,711,581.76x = 31,067,345.76 × 5,565,513.60
4. Step 4: Simplify right side
   20,711,581.76x = 172,905,735,343,182.34
5. Step 5: Solve for x
   x = 172,905,735,343,182.34/20,711,581.76
6. Step 6: Final answer
   x = 8,348,263.18