Finding the Fourth Proportional to 21,365,475.47, 32,048,253.30 and 5,191,440.42

Step by Step Solution

1. Step 1: Write the proportion equation
   21,365,475.47 : 32,048,253.30 = 5,191,440.42 : x
2. Step 2: Convert to fraction form
   21,365,475.47/32,048,253.30 = 5,191,440.42/x
3. Step 3: Cross multiply
   21,365,475.47x = 32,048,253.30 × 5,191,440.42
4. Step 4: Simplify right side
   21,365,475.47x = 166,376,597,572,018.38
5. Step 5: Solve for x
   x = 166,376,597,572,018.38/21,365,475.47
6. Step 6: Final answer
   x = 7,787,170.37