Finding the Fourth Proportional to 42,884,457.72, 64,338,692.40 and 17,343,402.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,884,457.72 : 64,338,692.40 = 17,343,402.72 : x
2. Step 2: Convert to fraction form
   42,884,457.72/64,338,692.40 = 17,343,402.72/x
3. Step 3: Cross multiply
   42,884,457.72x = 64,338,692.40 × 17,343,402.72
4. Step 4: Simplify right side
   42,884,457.72x = 1,115,851,852,771,403.25
5. Step 5: Solve for x
   x = 1,115,851,852,771,403.25/42,884,457.72
6. Step 6: Final answer
   x = 26,019,959.49