Finding the Fourth Proportional to 21,386,061.12, 32,062,164.28 and 7,737,081.60

Step by Step Solution

1. Step 1: Write the proportion equation
   21,386,061.12 : 32,062,164.28 = 7,737,081.60 : x
2. Step 2: Convert to fraction form
   21,386,061.12/32,062,164.28 = 7,737,081.60/x
3. Step 3: Cross multiply
   21,386,061.12x = 32,062,164.28 × 7,737,081.60
4. Step 4: Simplify right side
   21,386,061.12x = 248,067,581,306,965.25
5. Step 5: Solve for x
   x = 248,067,581,306,965.25/21,386,061.12
6. Step 6: Final answer
   x = 11,599,498.38