Finding the Fourth Proportional to 69,871,947.78, 104,826,791.34 and 21,348,478.48

Step by Step Solution

1. Step 1: Write the proportion equation
   69,871,947.78 : 104,826,791.34 = 21,348,478.48 : x
2. Step 2: Convert to fraction form
   69,871,947.78/104,826,791.34 = 21,348,478.48/x
3. Step 3: Cross multiply
   69,871,947.78x = 104,826,791.34 × 21,348,478.48
4. Step 4: Simplify right side
   69,871,947.78x = 2,237,892,499,049,440.50
5. Step 5: Solve for x
   x = 2,237,892,499,049,440.50/69,871,947.78
6. Step 6: Final answer
   x = 32,028,483.11