Finding the Fourth Proportional to 14,191,749.18, 21,293,146.86 and 5,674,521.42

Step by Step Solution

1. Step 1: Write the proportion equation
   14,191,749.18 : 21,293,146.86 = 5,674,521.42 : x
2. Step 2: Convert to fraction form
   14,191,749.18/21,293,146.86 = 5,674,521.42/x
3. Step 3: Cross multiply
   14,191,749.18x = 21,293,146.86 × 5,674,521.42
4. Step 4: Simplify right side
   14,191,749.18x = 120,828,417,934,996.28
5. Step 5: Solve for x
   x = 120,828,417,934,996.28/14,191,749.18
6. Step 6: Final answer
   x = 8,513,990.52