Finding the Fourth Proportional to 22,660,061.79, 31,270,889.75 and 12,346,784.85

Step by Step Solution

1. Step 1: Write the proportion equation
   22,660,061.79 : 31,270,889.75 = 12,346,784.85 : x
2. Step 2: Convert to fraction form
   22,660,061.79/31,270,889.75 = 12,346,784.85/x
3. Step 3: Cross multiply
   22,660,061.79x = 31,270,889.75 × 12,346,784.85
4. Step 4: Simplify right side
   22,660,061.79x = 386,094,947,811,320.25
5. Step 5: Solve for x
   x = 386,094,947,811,320.25/22,660,061.79
6. Step 6: Final answer
   x = 17,038,565.53