Finding the Fourth Proportional to 153,272,548.32, 211,792,796.72 and 109,142,933.57

Step by Step Solution

1. Step 1: Write the proportion equation
   153,272,548.32 : 211,792,796.72 = 109,142,933.57 : x
2. Step 2: Convert to fraction form
   153,272,548.32/211,792,796.72 = 109,142,933.57/x
3. Step 3: Cross multiply
   153,272,548.32x = 211,792,796.72 × 109,142,933.57
4. Step 4: Simplify right side
   153,272,548.32x = 23,115,687,143,015,472
5. Step 5: Solve for x
   x = 23,115,687,143,015,472/153,272,548.32
6. Step 6: Final answer
   x = 150,814,267.76