Finding the Fourth Proportional to 21,400,931.25, 32,094,653.63 and 7,020,648.09

Step by Step Solution

1. Step 1: Write the proportion equation
   21,400,931.25 : 32,094,653.63 = 7,020,648.09 : x
2. Step 2: Convert to fraction form
   21,400,931.25/32,094,653.63 = 7,020,648.09/x
3. Step 3: Cross multiply
   21,400,931.25x = 32,094,653.63 × 7,020,648.09
4. Step 4: Simplify right side
   21,400,931.25x = 225,325,268,671,567.81
5. Step 5: Solve for x
   x = 225,325,268,671,567.81/21,400,931.25
6. Step 6: Final answer
   x = 10,528,759.99