Finding the Fourth Proportional to 153,233,196.54, 211,466,276.97 and 83,623,061.12

Step by Step Solution

1. Step 1: Write the proportion equation
   153,233,196.54 : 211,466,276.97 = 83,623,061.12 : x
2. Step 2: Convert to fraction form
   153,233,196.54/211,466,276.97 = 83,623,061.12/x
3. Step 3: Cross multiply
   153,233,196.54x = 211,466,276.97 × 83,623,061.12
4. Step 4: Simplify right side
   153,233,196.54x = 17,683,457,403,881,160
5. Step 5: Solve for x
   x = 17,683,457,403,881,160/153,233,196.54
6. Step 6: Final answer
   x = 115,402,261.41