Finding the Fourth Proportional to 45,665,401.91, 68,508,178.10 and 13,319,835.94

Step by Step Solution

1. Step 1: Write the proportion equation
   45,665,401.91 : 68,508,178.10 = 13,319,835.94 : x
2. Step 2: Convert to fraction form
   45,665,401.91/68,508,178.10 = 13,319,835.94/x
3. Step 3: Cross multiply
   45,665,401.91x = 68,508,178.10 × 13,319,835.94
4. Step 4: Simplify right side
   45,665,401.91x = 912,517,692,431,160.88
5. Step 5: Solve for x
   x = 912,517,692,431,160.88/45,665,401.91
6. Step 6: Final answer
   x = 19,982,692.68