Finding the Fourth Proportional to 221,009,030.27, 331,456,997.78 and 65,526,480.96

Step by Step Solution

1. Step 1: Write the proportion equation
   221,009,030.27 : 331,456,997.78 = 65,526,480.96 : x
2. Step 2: Convert to fraction form
   221,009,030.27/331,456,997.78 = 65,526,480.96/x
3. Step 3: Cross multiply
   221,009,030.27x = 331,456,997.78 × 65,526,480.96
4. Step 4: Simplify right side
   221,009,030.27x = 21,719,210,653,762,300
5. Step 5: Solve for x
   x = 21,719,210,653,762,300/221,009,030.27
6. Step 6: Final answer
   x = 98,272,955.76