Finding the Fourth Proportional to 112,433,912.94, 155,159,215.29 and 65,402,270.22

Step by Step Solution

1. Step 1: Write the proportion equation
   112,433,912.94 : 155,159,215.29 = 65,402,270.22 : x
2. Step 2: Convert to fraction form
   112,433,912.94/155,159,215.29 = 65,402,270.22/x
3. Step 3: Cross multiply
   112,433,912.94x = 155,159,215.29 × 65,402,270.22
4. Step 4: Simplify right side
   112,433,912.94x = 10,147,764,925,519,734
5. Step 5: Solve for x
   x = 10,147,764,925,519,734/112,433,912.94
6. Step 6: Final answer
   x = 90,255,374.56