Finding the Fourth Proportional to 260,973,233.42, 359,808,741.77 and 213,756,362.69

Step by Step Solution

1. Step 1: Write the proportion equation
   260,973,233.42 : 359,808,741.77 = 213,756,362.69 : x
2. Step 2: Convert to fraction form
   260,973,233.42/359,808,741.77 = 213,756,362.69/x
3. Step 3: Cross multiply
   260,973,233.42x = 359,808,741.77 × 213,756,362.69
4. Step 4: Simplify right side
   260,973,233.42x = 76,911,407,901,952,848
5. Step 5: Solve for x
   x = 76,911,407,901,952,848/260,973,233.42
6. Step 6: Final answer
   x = 294,709,947.44