Finding the Fourth Proportional to 112,211,061.10, 167,997,727.05 and 99,456,477.10

Step by Step Solution

1. Step 1: Write the proportion equation
   112,211,061.10 : 167,997,727.05 = 99,456,477.10 : x
2. Step 2: Convert to fraction form
   112,211,061.10/167,997,727.05 = 99,456,477.10/x
3. Step 3: Cross multiply
   112,211,061.10x = 167,997,727.05 × 99,456,477.10
4. Step 4: Simplify right side
   112,211,061.10x = 16,708,462,093,200,376
5. Step 5: Solve for x
   x = 16,708,462,093,200,376/112,211,061.10
6. Step 6: Final answer
   x = 148,902,095.12