Finding the Fourth Proportional to 153,233,196.78, 211,466,277.32 and 83,623,061.37

Step by Step Solution

1. Step 1: Write the proportion equation
   153,233,196.78 : 211,466,277.32 = 83,623,061.37 : x
2. Step 2: Convert to fraction form
   153,233,196.78/211,466,277.32 = 83,623,061.37/x
3. Step 3: Cross multiply
   153,233,196.78x = 211,466,277.32 × 83,623,061.37
4. Step 4: Simplify right side
   153,233,196.78x = 17,683,457,485,597,684
5. Step 5: Solve for x
   x = 17,683,457,485,597,684/153,233,196.78
6. Step 6: Final answer
   x = 115,402,261.76