Finding the Fourth Proportional to 206,248,802.83, 309,509,500.25 and 97,105,186.83

Step by Step Solution

1. Step 1: Write the proportion equation
   206,248,802.83 : 309,509,500.25 = 97,105,186.83 : x
2. Step 2: Convert to fraction form
   206,248,802.83/309,509,500.25 = 97,105,186.83/x
3. Step 3: Cross multiply
   206,248,802.83x = 309,509,500.25 × 97,105,186.83
4. Step 4: Simplify right side
   206,248,802.83x = 30,054,977,845,403,108
5. Step 5: Solve for x
   x = 30,054,977,845,403,108/206,248,802.83
6. Step 6: Final answer
   x = 145,721,950.55