Finding the Fourth Proportional to 72,507,561.23, 108,760,276.18 and 17,920,151.44

Step by Step Solution

1. Step 1: Write the proportion equation
   72,507,561.23 : 108,760,276.18 = 17,920,151.44 : x
2. Step 2: Convert to fraction form
   72,507,561.23/108,760,276.18 = 17,920,151.44/x
3. Step 3: Cross multiply
   72,507,561.23x = 108,760,276.18 × 17,920,151.44
4. Step 4: Simplify right side
   72,507,561.23x = 1,949,000,619,602,680
5. Step 5: Solve for x
   x = 1,949,000,619,602,680/72,507,561.23
6. Step 6: Final answer
   x = 26,879,963.78