Finding the Fourth Proportional to 139,745,094.48, 209,656,529.19 and 60,968,494.76

Step by Step Solution

1. Step 1: Write the proportion equation
   139,745,094.48 : 209,656,529.19 = 60,968,494.76 : x
2. Step 2: Convert to fraction form
   139,745,094.48/209,656,529.19 = 60,968,494.76/x
3. Step 3: Cross multiply
   139,745,094.48x = 209,656,529.19 × 60,968,494.76
4. Step 4: Simplify right side
   139,745,094.48x = 12,782,443,000,272,020
5. Step 5: Solve for x
   x = 12,782,443,000,272,020/139,745,094.48
6. Step 6: Final answer
   x = 91,469,708.10