Finding the Fourth Proportional to 45,665,543.34, 68,508,389.79 and 13,319,976.96

Step by Step Solution

1. Step 1: Write the proportion equation
   45,665,543.34 : 68,508,389.79 = 13,319,976.96 : x
2. Step 2: Convert to fraction form
   45,665,543.34/68,508,389.79 = 13,319,976.96/x
3. Step 3: Cross multiply
   45,665,543.34x = 68,508,389.79 × 13,319,976.96
4. Step 4: Simplify right side
   45,665,543.34x = 912,530,173,569,499.38
5. Step 5: Solve for x
   x = 912,530,173,569,499.38/45,665,543.34
6. Step 6: Final answer
   x = 19,982,904.11