Finding the Fourth Proportional to 21,752,068.48, 30,009,359.04 and 12,454,670.08

Step by Step Solution

1. Step 1: Write the proportion equation
   21,752,068.48 : 30,009,359.04 = 12,454,670.08 : x
2. Step 2: Convert to fraction form
   21,752,068.48/30,009,359.04 = 12,454,670.08/x
3. Step 3: Cross multiply
   21,752,068.48x = 30,009,359.04 × 12,454,670.08
4. Step 4: Simplify right side
   21,752,068.48x = 373,756,666,155,465.50
5. Step 5: Solve for x
   x = 373,756,666,155,465.50/21,752,068.48
6. Step 6: Final answer
   x = 17,182,580.43