Finding the Fourth Proportional to 112,503,913.49, 169,599,109.61 and 105,004,367.30

Step by Step Solution

1. Step 1: Write the proportion equation
   112,503,913.49 : 169,599,109.61 = 105,004,367.30 : x
2. Step 2: Convert to fraction form
   112,503,913.49/169,599,109.61 = 105,004,367.30/x
3. Step 3: Cross multiply
   112,503,913.49x = 169,599,109.61 × 105,004,367.30
4. Step 4: Simplify right side
   112,503,913.49x = 17,808,647,197,868,382
5. Step 5: Solve for x
   x = 17,808,647,197,868,382/112,503,913.49
6. Step 6: Final answer
   x = 158,293,579.72