Finding the Fourth Proportional to 328,955,061.30, 493,243,635.15 and 98,889,659.70

Step by Step Solution

1. Step 1: Write the proportion equation
   328,955,061.30 : 493,243,635.15 = 98,889,659.70 : x
2. Step 2: Convert to fraction form
   328,955,061.30/493,243,635.15 = 98,889,659.70/x
3. Step 3: Cross multiply
   328,955,061.30x = 493,243,635.15 × 98,889,659.70
4. Step 4: Simplify right side
   328,955,061.30x = 48,776,695,229,174,456
5. Step 5: Solve for x
   x = 48,776,695,229,174,456/328,955,061.30
6. Step 6: Final answer
   x = 148,277,685.82