Finding the Fourth Proportional to 42,139,378.17, 63,209,148.57 and 16,243,874.01

Step by Step Solution

1. Step 1: Write the proportion equation
   42,139,378.17 : 63,209,148.57 = 16,243,874.01 : x
2. Step 2: Convert to fraction form
   42,139,378.17/63,209,148.57 = 16,243,874.01/x
3. Step 3: Cross multiply
   42,139,378.17x = 63,209,148.57 × 16,243,874.01
4. Step 4: Simplify right side
   42,139,378.17x = 1,026,761,445,650,451.62
5. Step 5: Solve for x
   x = 1,026,761,445,650,451.62/42,139,378.17
6. Step 6: Final answer
   x = 24,365,842.36