Finding the Fourth Proportional to 40,153,005.32, 55,411,479.41 and 21,818,290.82

Step by Step Solution

1. Step 1: Write the proportion equation
   40,153,005.32 : 55,411,479.41 = 21,818,290.82 : x
2. Step 2: Convert to fraction form
   40,153,005.32/55,411,479.41 = 21,818,290.82/x
3. Step 3: Cross multiply
   40,153,005.32x = 55,411,479.41 × 21,818,290.82
4. Step 4: Simplify right side
   40,153,005.32x = 1,208,983,772,147,673.25
5. Step 5: Solve for x
   x = 1,208,983,772,147,673.25/40,153,005.32
6. Step 6: Final answer
   x = 30,109,421.76