Finding the Fourth Proportional to 155,355,866.83, 233,064,498.72 and 56,988,486.71

Step by Step Solution

1. Step 1: Write the proportion equation
   155,355,866.83 : 233,064,498.72 = 56,988,486.71 : x
2. Step 2: Convert to fraction form
   155,355,866.83/233,064,498.72 = 56,988,486.71/x
3. Step 3: Cross multiply
   155,355,866.83x = 233,064,498.72 × 56,988,486.71
4. Step 4: Simplify right side
   155,355,866.83x = 13,281,993,087,877,532
5. Step 5: Solve for x
   x = 13,281,993,087,877,532/155,355,866.83
6. Step 6: Final answer
   x = 85,493,991.05