Finding the Fourth Proportional to 9,490,430.81, 13,096,726.06 and 5,139,416.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,490,430.81 : 13,096,726.06 = 5,139,416.18 : x
2. Step 2: Convert to fraction form
   9,490,430.81/13,096,726.06 = 5,139,416.18/x
3. Step 3: Cross multiply
   9,490,430.81x = 13,096,726.06 × 5,139,416.18
4. Step 4: Simplify right side
   9,490,430.81x = 67,309,525,817,791.65
5. Step 5: Solve for x
   x = 67,309,525,817,791.65/9,490,430.81
6. Step 6: Final answer
   x = 7,092,357.26