Finding the Fourth Proportional to 9,578,617.72, 13,214,345.63 and 5,857,611.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,578,617.72 : 13,214,345.63 = 5,857,611.40 : x
2. Step 2: Convert to fraction form
   9,578,617.72/13,214,345.63 = 5,857,611.40/x
3. Step 3: Cross multiply
   9,578,617.72x = 13,214,345.63 × 5,857,611.40
4. Step 4: Simplify right side
   9,578,617.72x = 77,404,501,543,504.27
5. Step 5: Solve for x
   x = 77,404,501,543,504.27/9,578,617.72
6. Step 6: Final answer
   x = 8,080,967.82