Finding the Fourth Proportional to 53,943,011.91, 80,901,049.59 and 21,160,243.98

Step by Step Solution

1. Step 1: Write the proportion equation
   53,943,011.91 : 80,901,049.59 = 21,160,243.98 : x
2. Step 2: Convert to fraction form
   53,943,011.91/80,901,049.59 = 21,160,243.98/x
3. Step 3: Cross multiply
   53,943,011.91x = 80,901,049.59 × 21,160,243.98
4. Step 4: Simplify right side
   53,943,011.91x = 1,711,885,947,562,479
5. Step 5: Solve for x
   x = 1,711,885,947,562,479/53,943,011.91
6. Step 6: Final answer
   x = 31,735,082.77