Finding the Fourth Proportional to 42,923,859.60, 64,407,085.31 and 17,015,613.30

Step by Step Solution

1. Step 1: Write the proportion equation
   42,923,859.60 : 64,407,085.31 = 17,015,613.30 : x
2. Step 2: Convert to fraction form
   42,923,859.60/64,407,085.31 = 17,015,613.30/x
3. Step 3: Cross multiply
   42,923,859.60x = 64,407,085.31 × 17,015,613.30
4. Step 4: Simplify right side
   42,923,859.60x = 1,095,926,057,415,070.75
5. Step 5: Solve for x
   x = 1,095,926,057,415,070.75/42,923,859.60
6. Step 6: Final answer
   x = 25,531,861.94