Finding the Fourth Proportional to 69,406,571.10, 104,088,872.34 and 20,871,540.84

Step by Step Solution

1. Step 1: Write the proportion equation
   69,406,571.10 : 104,088,872.34 = 20,871,540.84 : x
2. Step 2: Convert to fraction form
   69,406,571.10/104,088,872.34 = 20,871,540.84/x
3. Step 3: Cross multiply
   69,406,571.10x = 104,088,872.34 × 20,871,540.84
4. Step 4: Simplify right side
   69,406,571.10x = 2,172,495,150,033,856.50
5. Step 5: Solve for x
   x = 2,172,495,150,033,856.50/69,406,571.10
6. Step 6: Final answer
   x = 31,301,000.98