Finding the Fourth Proportional to 22,759,077.52, 31,407,224.88 and 12,970,104.40

Step by Step Solution

1. Step 1: Write the proportion equation
   22,759,077.52 : 31,407,224.88 = 12,970,104.40 : x
2. Step 2: Convert to fraction form
   22,759,077.52/31,407,224.88 = 12,970,104.40/x
3. Step 3: Cross multiply
   22,759,077.52x = 31,407,224.88 × 12,970,104.40
4. Step 4: Simplify right side
   22,759,077.52x = 407,354,985,607,877.50
5. Step 5: Solve for x
   x = 407,354,985,607,877.50/22,759,077.52
6. Step 6: Final answer
   x = 17,898,571.91