Finding the Fourth Proportional to 72,507,561.86, 108,760,277.13 and 17,920,152.07

Step by Step Solution

1. Step 1: Write the proportion equation
   72,507,561.86 : 108,760,277.13 = 17,920,152.07 : x
2. Step 2: Convert to fraction form
   72,507,561.86/108,760,277.13 = 17,920,152.07/x
3. Step 3: Cross multiply
   72,507,561.86x = 108,760,277.13 × 17,920,152.07
4. Step 4: Simplify right side
   72,507,561.86x = 1,949,000,705,437,654.50
5. Step 5: Solve for x
   x = 1,949,000,705,437,654.50/72,507,561.86
6. Step 6: Final answer
   x = 26,879,964.73