Finding the Fourth Proportional to 30,875,621.85, 42,608,424.06 and 16,937,091.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,875,621.85 : 42,608,424.06 = 16,937,091.50 : x
2. Step 2: Convert to fraction form
   30,875,621.85/42,608,424.06 = 16,937,091.50/x
3. Step 3: Cross multiply
   30,875,621.85x = 42,608,424.06 × 16,937,091.50
4. Step 4: Simplify right side
   30,875,621.85x = 721,662,776,761,979.50
5. Step 5: Solve for x
   x = 721,662,776,761,979.50/30,875,621.85
6. Step 6: Final answer
   x = 23,373,222.42