Finding the Fourth Proportional to 30,610,722.72, 42,242,798.12 and 16,859,686.84

Step by Step Solution

1. Step 1: Write the proportion equation
   30,610,722.72 : 42,242,798.12 = 16,859,686.84 : x
2. Step 2: Convert to fraction form
   30,610,722.72/42,242,798.12 = 16,859,686.84/x
3. Step 3: Cross multiply
   30,610,722.72x = 42,242,798.12 × 16,859,686.84
4. Step 4: Simplify right side
   30,610,722.72x = 712,200,347,506,391.50
5. Step 5: Solve for x
   x = 712,200,347,506,391.50/30,610,722.72
6. Step 6: Final answer
   x = 23,266,368.26