Finding the Fourth Proportional to 243,015,437.35, 335,254,433.89 and 142,492,564.82

Step by Step Solution

1. Step 1: Write the proportion equation
   243,015,437.35 : 335,254,433.89 = 142,492,564.82 : x
2. Step 2: Convert to fraction form
   243,015,437.35/335,254,433.89 = 142,492,564.82/x
3. Step 3: Cross multiply
   243,015,437.35x = 335,254,433.89 × 142,492,564.82
4. Step 4: Simplify right side
   243,015,437.35x = 47,771,264,152,263,224
5. Step 5: Solve for x
   x = 47,771,264,152,263,224/243,015,437.35
6. Step 6: Final answer
   x = 196,577,076.23