Finding the Fourth Proportional to 9,997,390.50, 13,796,406.18 and 5,413,715.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,997,390.50 : 13,796,406.18 = 5,413,715.52 : x
2. Step 2: Convert to fraction form
   9,997,390.50/13,796,406.18 = 5,413,715.52/x
3. Step 3: Cross multiply
   9,997,390.50x = 13,796,406.18 × 5,413,715.52
4. Step 4: Simplify right side
   9,997,390.50x = 74,689,818,256,889.91
5. Step 5: Solve for x
   x = 74,689,818,256,889.91/9,997,390.50
6. Step 6: Final answer
   x = 7,470,931.37