Finding the Fourth Proportional to 12,789,337.69, 19,197,663.13 and 5,506,404.13

Step by Step Solution

1. Step 1: Write the proportion equation
   12,789,337.69 : 19,197,663.13 = 5,506,404.13 : x
2. Step 2: Convert to fraction form
   12,789,337.69/19,197,663.13 = 5,506,404.13/x
3. Step 3: Cross multiply
   12,789,337.69x = 19,197,663.13 × 5,506,404.13
4. Step 4: Simplify right side
   12,789,337.69x = 105,710,091,545,380.72
5. Step 5: Solve for x
   x = 105,710,091,545,380.72/12,789,337.69
6. Step 6: Final answer
   x = 8,265,485.99