Finding the Fourth Proportional to 173,007,378.08, 238,724,498.56 and 105,077,146.50

Step by Step Solution

1. Step 1: Write the proportion equation
   173,007,378.08 : 238,724,498.56 = 105,077,146.50 : x
2. Step 2: Convert to fraction form
   173,007,378.08/238,724,498.56 = 105,077,146.50/x
3. Step 3: Cross multiply
   173,007,378.08x = 238,724,498.56 × 105,077,146.50
4. Step 4: Simplify right side
   173,007,378.08x = 25,084,489,108,328,160
5. Step 5: Solve for x
   x = 25,084,489,108,328,160/173,007,378.08
6. Step 6: Final answer
   x = 144,990,863.32