Finding the Fourth Proportional to 21,851,617.73, 30,155,238.50 and 12,062,068.29

Step by Step Solution

1. Step 1: Write the proportion equation
   21,851,617.73 : 30,155,238.50 = 12,062,068.29 : x
2. Step 2: Convert to fraction form
   21,851,617.73/30,155,238.50 = 12,062,068.29/x
3. Step 3: Cross multiply
   21,851,617.73x = 30,155,238.50 × 12,062,068.29
4. Step 4: Simplify right side
   21,851,617.73x = 363,734,546,027,926.81
5. Step 5: Solve for x
   x = 363,734,546,027,926.81/21,851,617.73
6. Step 6: Final answer
   x = 16,645,657.57