Finding the Fourth Proportional to 21,365,483.72, 32,048,265.69 and 5,191,448.67

Step by Step Solution

1. Step 1: Write the proportion equation
   21,365,483.72 : 32,048,265.69 = 5,191,448.67 : x
2. Step 2: Convert to fraction form
   21,365,483.72/32,048,265.69 = 5,191,448.67/x
3. Step 3: Cross multiply
   21,365,483.72x = 32,048,265.69 × 5,191,448.67
4. Step 4: Simplify right side
   21,365,483.72x = 166,376,926,292,157.12
5. Step 5: Solve for x
   x = 166,376,926,292,157.12/21,365,483.72
6. Step 6: Final answer
   x = 7,787,182.75