Finding the Fourth Proportional to 42,975,943.22, 64,486,309.71 and 19,035,816.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,975,943.22 : 64,486,309.71 = 19,035,816.50 : x
2. Step 2: Convert to fraction form
   42,975,943.22/64,486,309.71 = 19,035,816.50/x
3. Step 3: Cross multiply
   42,975,943.22x = 64,486,309.71 × 19,035,816.50
4. Step 4: Simplify right side
   42,975,943.22x = 1,227,549,558,401,728.25
5. Step 5: Solve for x
   x = 1,227,549,558,401,728.25/42,975,943.22
6. Step 6: Final answer
   x = 28,563,644.37