Finding the Fourth Proportional to 9,099,312.01, 12,557,136.10 and 5,178,875.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,099,312.01 : 12,557,136.10 = 5,178,875.91 : x
2. Step 2: Convert to fraction form
   9,099,312.01/12,557,136.10 = 5,178,875.91/x
3. Step 3: Cross multiply
   9,099,312.01x = 12,557,136.10 × 5,178,875.91
4. Step 4: Simplify right side
   9,099,312.01x = 65,031,849,687,944.38
5. Step 5: Solve for x
   x = 65,031,849,687,944.38/9,099,312.01
6. Step 6: Final answer
   x = 7,146,897.44