Finding the Fourth Proportional to 533,158,271.48, 799,772,498.28 and 139,694,732.39

Step by Step Solution

1. Step 1: Write the proportion equation
   533,158,271.48 : 799,772,498.28 = 139,694,732.39 : x
2. Step 2: Convert to fraction form
   533,158,271.48/799,772,498.28 = 139,694,732.39/x
3. Step 3: Cross multiply
   533,158,271.48x = 799,772,498.28 × 139,694,732.39
4. Step 4: Simplify right side
   533,158,271.48x = 111,724,005,122,105,776
5. Step 5: Solve for x
   x = 111,724,005,122,105,776/533,158,271.48
6. Step 6: Final answer
   x = 209,551,292.92