Finding the Fourth Proportional to 42,912,676.29, 64,362,951.03 and 13,762,726.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42,912,676.29 : 64,362,951.03 = 13,762,726.94 : x
2. Step 2: Convert to fraction form
   42,912,676.29/64,362,951.03 = 13,762,726.94/x
3. Step 3: Cross multiply
   42,912,676.29x = 64,362,951.03 × 13,762,726.94
4. Step 4: Simplify right side
   42,912,676.29x = 885,809,720,290,999.38
5. Step 5: Solve for x
   x = 885,809,720,290,999.38/42,912,676.29
6. Step 6: Final answer
   x = 20,642,145.79