Finding the Fourth Proportional to 743,146,864.32, 1,113,983,984.76 and 348,968,071.98

Step by Step Solution

1. Step 1: Write the proportion equation
   743,146,864.32 : 1,113,983,984.76 = 348,968,071.98 : x
2. Step 2: Convert to fraction form
   743,146,864.32/1,113,983,984.76 = 348,968,071.98/x
3. Step 3: Cross multiply
   743,146,864.32x = 1,113,983,984.76 × 348,968,071.98
4. Step 4: Simplify right side
   743,146,864.32x = 388,744,843,378,294,912
5. Step 5: Solve for x
   x = 388,744,843,378,294,912/743,146,864.32
6. Step 6: Final answer
   x = 523,106,349.56