Finding the Fourth Proportional to 42,139,388.80, 63,209,164.52 and 16,243,884.64

Step by Step Solution

1. Step 1: Write the proportion equation
   42,139,388.80 : 63,209,164.52 = 16,243,884.64 : x
2. Step 2: Convert to fraction form
   42,139,388.80/63,209,164.52 = 16,243,884.64/x
3. Step 3: Cross multiply
   42,139,388.80x = 63,209,164.52 × 16,243,884.64
4. Step 4: Simplify right side
   42,139,388.80x = 1,026,762,376,653,661.12
5. Step 5: Solve for x
   x = 1,026,762,376,653,661.12/42,139,388.80
6. Step 6: Final answer
   x = 24,365,858.31