Finding the Fourth Proportional to 58,977,502.57, 88,506,093.71 and 20,639,348.83

Step by Step Solution

1. Step 1: Write the proportion equation
   58,977,502.57 : 88,506,093.71 = 20,639,348.83 : x
2. Step 2: Convert to fraction form
   58,977,502.57/88,506,093.71 = 20,639,348.83/x
3. Step 3: Cross multiply
   58,977,502.57x = 88,506,093.71 × 20,639,348.83
4. Step 4: Simplify right side
   58,977,502.57x = 1,826,708,141,661,358.50
5. Step 5: Solve for x
   x = 1,826,708,141,661,358.50/58,977,502.57
6. Step 6: Final answer
   x = 30,972,965.32