Finding the Fourth Proportional to 111,456,123.20, 166,806,271.20 and 97,851,233.60

Step by Step Solution

1. Step 1: Write the proportion equation
   111,456,123.20 : 166,806,271.20 = 97,851,233.60 : x
2. Step 2: Convert to fraction form
   111,456,123.20/166,806,271.20 = 97,851,233.60/x
3. Step 3: Cross multiply
   111,456,123.20x = 166,806,271.20 × 97,851,233.60
4. Step 4: Simplify right side
   111,456,123.20x = 16,322,199,409,136,150
5. Step 5: Solve for x
   x = 16,322,199,409,136,150/111,456,123.20
6. Step 6: Final answer
   x = 146,445,066.82