Finding the Fourth Proportional to 40,205,920.58, 55,484,128.41 and 21,871,162.34

Step by Step Solution

1. Step 1: Write the proportion equation
   40,205,920.58 : 55,484,128.41 = 21,871,162.34 : x
2. Step 2: Convert to fraction form
   40,205,920.58/55,484,128.41 = 21,871,162.34/x
3. Step 3: Cross multiply
   40,205,920.58x = 55,484,128.41 × 21,871,162.34
4. Step 4: Simplify right side
   40,205,920.58x = 1,213,502,379,748,516
5. Step 5: Solve for x
   x = 1,213,502,379,748,516/40,205,920.58
6. Step 6: Final answer
   x = 30,182,181.19