Finding the Fourth Proportional to 42,726,158.10, 64,089,237.88 and 10,377,842.65

Step by Step Solution

1. Step 1: Write the proportion equation
   42,726,158.10 : 64,089,237.88 = 10,377,842.65 : x
2. Step 2: Convert to fraction form
   42,726,158.10/64,089,237.88 = 10,377,842.65/x
3. Step 3: Cross multiply
   42,726,158.10x = 64,089,237.88 × 10,377,842.65
4. Step 4: Simplify right side
   42,726,158.10x = 665,108,026,429,363.12
5. Step 5: Solve for x
   x = 665,108,026,429,363.12/42,726,158.10
6. Step 6: Final answer
   x = 15,566,764.16