Finding the Fourth Proportional to 150,806,105.92, 208,115,182.34 and 83,831,352.31

Step by Step Solution

1. Step 1: Write the proportion equation
   150,806,105.92 : 208,115,182.34 = 83,831,352.31 : x
2. Step 2: Convert to fraction form
   150,806,105.92/208,115,182.34 = 83,831,352.31/x
3. Step 3: Cross multiply
   150,806,105.92x = 208,115,182.34 × 83,831,352.31
4. Step 4: Simplify right side
   150,806,105.92x = 17,446,577,171,804,432
5. Step 5: Solve for x
   x = 17,446,577,171,804,432/150,806,105.92
6. Step 6: Final answer
   x = 115,688,798.31