Finding the Fourth Proportional to 40,011,131.84, 55,215,417.96 and 21,676,417.34

Step by Step Solution

1. Step 1: Write the proportion equation
   40,011,131.84 : 55,215,417.96 = 21,676,417.34 : x
2. Step 2: Convert to fraction form
   40,011,131.84/55,215,417.96 = 21,676,417.34/x
3. Step 3: Cross multiply
   40,011,131.84x = 55,215,417.96 × 21,676,417.34
4. Step 4: Simplify right side
   40,011,131.84x = 1,196,872,443,027,414.50
5. Step 5: Solve for x
   x = 1,196,872,443,027,414.50/40,011,131.84
6. Step 6: Final answer
   x = 29,913,486.28