Finding the Fourth Proportional to 42,139,388.61, 63,209,164.23 and 16,243,884.45

Step by Step Solution

1. Step 1: Write the proportion equation
   42,139,388.61 : 63,209,164.23 = 16,243,884.45 : x
2. Step 2: Convert to fraction form
   42,139,388.61/63,209,164.23 = 16,243,884.45/x
3. Step 3: Cross multiply
   42,139,388.61x = 63,209,164.23 × 16,243,884.45
4. Step 4: Simplify right side
   42,139,388.61x = 1,026,762,359,933,193.12
5. Step 5: Solve for x
   x = 1,026,762,359,933,193.12/42,139,388.61
6. Step 6: Final answer
   x = 24,365,858.02